Inventor · Hitachi, JP

Nobuyuki Iizuka

33Patents
16h-index
78Co-inventors
84Inventor score

Filing activity: Jan 21, 1975 → Dec 16, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4898001A Gas turbine combustor Mechanical Engineering; Lighting; Heating 126 Expired
US5069029A Gas turbine combustor and combustion method therefor Mechanical Engineering; Lighting; Heating 82 Expired
US4872312A Gas turbine combustion apparatus Mechanical Engineering; Lighting; Heating 58 Expired
US4786233A Gas turbine cooled blade Emerging Cross-Sectional Technologies 52 Expired
US5327718A Gas turbine apparatus and method of control thereof Mechanical Engineering; Lighting; Heating 50 Expired
US4297843A Combustor of gas turbine with features for vibration reduction and increased cooling Mechanical Engineering; Lighting; Heating 45 Expired
US4766721A Combustor for gas turbine Mechanical Engineering; Lighting; Heating 41 Expired
US5899074A Gas turbine combustor and operation method thereof for a diffussion burner and surrounding premixing burners separated by a partition Mechanical Engineering; Lighting; Heating 37 Expired
US5014143A Data recording disk chuck mechanism Physics 31 Expired
US4967552A Method and apparatus for controlling temperatures of turbine casing and turbine rotor Mechanical Engineering; Lighting; Heating 29 Expired
US4683715A Method of starting gas turbine plant Emerging Cross-Sectional Technologies 27 Expired
US5319936A Combustor system for stabilizing a premixed flame and a turbine system using the same Mechanical Engineering; Lighting; Heating 24 Expired
US4850187A Gas turbine having components composed of heat resistant steel Emerging Cross-Sectional Technologies 21 Expired
US5081843A Combustor for a gas turbine Mechanical Engineering; Lighting; Heating 21 Expired
US4907406A Combined gas turbine plant Emerging Cross-Sectional Technologies 20 Expired
US5343693A Combustor and method of operating the same Mechanical Engineering; Lighting; Heating 18 Expired
US4677822A Gas turbine combustor Mechanical Engineering; Lighting; Heating 16 Expired
US5050385A Inner cylinder for a gas turbine combustor reinforced by built up welding Mechanical Engineering; Lighting; Heating 16 Expired
US6077615A Gas turbine nozzle, power generation gas turbine, co-base alloy and welding material Emerging Cross-Sectional Technologies 15 Expired
US5144794A Gas turbine engine with cooling of turbine blades Mechanical Engineering; Lighting; Heating 15 Expired
US5239831A Burner having one or more eddy generating devices Mechanical Engineering; Lighting; Heating 14 Expired
US4789412A Cobalt-base alloy having high strength and high toughness, production process of the same, and gas turbine nozzle Chemistry; Metallurgy 14 Expired
US4704869A Gas turbine combustor Mechanical Engineering; Lighting; Heating 13 Expired
US4829764A Combustion air flow rate adjusting device for gas turbine combustor Emerging Cross-Sectional Technologies 13 Expired
US5009070A Combustion apparatus for gas turbine Mechanical Engineering; Lighting; Heating 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.